Applications Manager supports usage of Regular Expressions (Regex) while searching for data. A regular expression is a special sequence of characters defines a search pattern for strings.
Here is the table listing down all the regular expression metacharacter syntax available in Java:
| Subexpression | Matches |
|---|---|
|
^
|
Matches beginning of line. |
|
$
|
Matches end of line. |
|
.
|
Matches any single character except newline. Using m option allows it to match newline as well. |
|
[...]
|
Matches any single character in brackets. |
|
[^...]
|
Matches any single character not in brackets |
|
\A
|
Beginning of entire string |
|
\z
|
End of entire string |
|
\Z
|
End of entire string except allowable final line terminator. |
|
re*
|
Matches 0 or more occurrences of preceding expression. |
|
re+
|
Matches 1 or more of the previous thing |
|
re?
|
Matches 0 or 1 occurrence of preceding expression. |
|
re{ n}
|
Matches exactly n number of occurrences of preceding expression. |
|
re{ n,}
|
Matches n or more occurrences of preceding expression. |
|
re{ n, m}
|
Matches at least n and at most m occurrences of preceding expression. |
|
a| b
|
Matches either a or b. |
|
(re)
|
Groups regular expressions and remembers matched text. |
|
(?: re)
|
Groups regular expressions without remembering matched text. |
|
(?> re)
|
Matches independent pattern without backtracking. |
|
\w
|
Matches word characters. |
|
\W
|
Matches nonword characters. |
|
\s
|
Matches whitespace. Equivalent to [\t\n\r\f]. |
|
\S
|
Matches nonwhitespace. |
|
\d
|
Matches digits. Equivalent to [0-9]. |
|
\D
|
Matches nondigits. |
|
\A
|
Matches beginning of string. |
|
\Z
|
Matches end of string. If a newline exists, it matches just before newline. |
|
\z
|
Matches end of string. |
|
\G
|
Matches point where last match finished. |
|
\n
|
Back-reference to capture group number "n" |
|
\b
|
Matches word boundaries when outside brackets. Matches backspace (0x08) when inside brackets. |
|
\B
|
Matches nonword boundaries. |
|
\n, \t, etc.
|
Matches newlines, carriage returns, tabs, etc. |
|
\Q
|
Escape (quote) all characters up to \E |
|
\E
|
Ends quoting begun with \Q |
See Also
Monitor Information - File / Directory Monitor | Create Other New Monitors
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